Fall back to pearson dictionary if urbandictionary doesnt know a word, fixes #27

app/define_word.py

@@ -14,6 +14,12 @@ def get_definition(content):
                 "https://api.urbandictionary.com/v0/define?term={}".format('%20'.join(word))
             ).json()['list'][0]['definition']
 
+        except IndexError:
+            try:
+                # Try another dictionary
+                definition = requests.get(
+                    "http://api.pearson.com/v2/dictionaries/ldoce5/entries?headword={}".format('%20'.join(word))
+                ).json()['results'][0]['senses'][0]['definition'][0]
             except IndexError:
                 definition = 'No definition found'